James, Jim, and Jimmy Parker may refer to:
- James Parker (judge) (1803–1852), British vice-chancellor, father of the rower James Parker
- James Parker (British politician) (1863–1948), British Labour politician, Member of Parliament for Halifax
- James Parker, Irish general, see Irish Defence Forces Chief of Staff
- James Parker (Massachusetts politician) (1768–1837), United States congressman from Massachusetts
- James Parker (New Jersey politician) (1776–1868), United States congressman from New Jersey
- James Aubrey Parker (1937–2022), U.S. federal judge
- James S. Parker (1867–1933), United States congressman from New York
- James Augustus Parker (1820–1899), member of the Queensland Legislative Assembly
- James Parker (hammer thrower) (1975–2023), American hammer thrower
- James Parker (handballer) (born 1994), Argentine handballer
- James Parker (rower) (fl. 1842–1863), English rower, son of the judge James Parker
- James Parker (rugby league) (fl. 1912–1919), New Zealand rugby league player
- James Parker (rugby union), New Zealand rugby union player; see List of New Zealand national rugby union players
- James Parker (tennis), American tennis player of the 1960s; see 1965 Wimbledon Championships – Men's Singles
- James "Quick" Parker (1958–2018), Canadian Football League player
- Jim Parker (American football) (1934–2005), American professional football player
- Jim Parker (footballer) (fl. 1905–1913), English footballer
- Red Parker (Jimmy Parker, 1931–2016), college football coach
- Jamie Parker (cricketer) (born 1980), English cricketer